Pan Liya, Associate Chief Physician, Deputy Director of the Department of Clinical Nutrition Specialties: Diagnosis and treatment of nutrition-related diseases in children, including disease-related malnutrition such as malnutrition associated with heart disease, hematologic tumors, short bowel syndrome, food allergies, growth retardation, and feeding difficulties. She serves as the Secretary of the Clinical Nutrition Group of the Pediatrics Branch of the Chinese Medical Association, a member of the Pediatric Nutrition Professional Committee of the Chinese Maternal and Child Health Association, and a youth member of the Parenteral and Enteral Nutrition Specialty Branch of the Shanghai Medical Association. With over ten years of experience in pediatric practice, she is proficient in the diagnosis and treatment of various forms of malnutrition, nutritional disorders, and perioperative parenteral and enteral nutrition support. She has participated in multiple national and municipal-level research projects, co-authored several professional nutrition-related books, and published numerous nutrition-related research papers. From April to June 2025, she pursued advanced studies in the Department of Digestive Nutrition at the University of Messina, Italy.